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A8427

Antipyrylazo III

Name: Antipyrylazo III
Brand: SIGMA

suitable for determination of calcium (per Anal. Chim. Acta, 71, 343 (1974)), ~95%

Sinónimos:

3,6-Bis(4-antipyrylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt

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About This Item

Fórmula empírica (notación de Hill):

C₃₂H₂₆N₈Na₂O₁₀S₂

Número de CAS:

14918-39-9

Peso molecular:

792.71

Beilstein/REAXYS Number:

956469

EC Number:

238-988-2

MDL number:

MFCD00042700

UNSPSC Code:

12352204

assay

~95%

suitability

suitable for determination of calcium (per Anal. Chim. Acta, 71, 343 (1974))

SMILES string

[Na+].[Na+].CN1N(c2ccccc2)C(=O)C(\N=N\c3c(O)c4c(O)c(\N=N\C5=C(C)N(C)N(c6ccccc6)C5=O)c(cc4cc3S([O-])(=O)=O)S([O-])(=O)=O)=C1C

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Linkage

Similar to A 5894, but produced by Sigma.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number

099F5002

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Cation complexation by antipyrylazo III: chelate spectral behavior correlated with divalent cation properties.

S E Pattison et al.

Analytical biochemistry, 247(1), 181-183 (1997-04-05)

Action of 2,3-butanedione monoxime on calcium signals in frog cut twitch fibres containing antipyrylazo III.

J Maylie et al.

The Journal of physiology, 442, 551-567 (1991-10-01)

1. The effects of 2,3-butanedione monoxime (BDM) on the optical retardation and myoplasmic Ca2+ signal were studied in twitch fibres of Rana temporaria. The myoplasmic Ca2+ transient in response to action potential stimulation was monitored in cut fibres containing Antipyrylazo

Extrusion of calcium from a single isolated neuron of the snail Helix pomatia.

A V Tepikin et al.

The Journal of membrane biology, 123(1), 43-47 (1991-07-01)

Simultaneous optical measurements of extra- and intracellular Ca2+ concentrations were carried out on isolated snail neurons injected iontophoretically with Ca2+. The fluorescent indicator Fura-2 was used to measure intracellular concentration of free Ca, and the absorbant indicator Antipyrylazo III to

Infrared spectroscopic signals arising from ligand binding and conformational changes in the catalytic cycle of sarcoplasmic reticulum calcium ATPase.

A Barth et al.

Biochimica et biophysica acta, 1057(1), 115-123 (1991-03-01)

Fourier transform infrared spectroscopy was used to investigate ligand binding and conformational changes in the Ca2(+)-ATPase of sarcoplasmic reticulum during the catalytic cycle. The ATPase reaction was started in the infrared sample by release of ATP from the inactive, photolabile

Calcium dependence of inactivation of calcium release from the sarcoplasmic reticulum in skeletal muscle fibers.

B J Simon et al.

The Journal of general physiology, 97(3), 437-471 (1991-03-01)

The steady-state calcium dependence of inactivation of calcium release from the sarcoplasmic reticulum was studied in voltage-clamped, cut segments of frog skeletal muscle fibers containing two calcium indicators, fura-2 and anti-pyrylazo III (AP III). Fura-2 fluorescence was used to monitor

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